Subversion Repositories or1k

/*

 * lib/bust_spinlocks.c

 *

 * Provides a minimal bust_spinlocks for architectures which don't have one of their own.

 *

 * bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()

 * and panic() information from reaching the user.

 */

#include <linux/config.h>

#include <linux/kernel.h>

#include <linux/spinlock.h>

#include <linux/tty.h>

#include <linux/wait.h>

#include <linux/vt_kern.h>

extern spinlock_t timerlist_lock;

void bust_spinlocks(int yes)

{

        spin_lock_init(&timerlist_lock);

        if (yes) {

                oops_in_progress = 1;

        } else {

                int loglevel_save = console_loglevel;

#ifdef CONFIG_VT

                unblank_screen();

#endif

                oops_in_progress = 0;

                /*

                 * OK, the message is on the console.  Now we call printk()

                 * without oops_in_progress set so that printk() will give klogd

                 * and the blanked console a poke.  Hold onto your hats...

                 */

                console_loglevel = 15;          /* NMI oopser may have shut the console up */

                printk(" ");

                console_loglevel = loglevel_save;

        }

}